CN110410418B - An oil-impregnated bearing capable of independently replenishing lubricating oil and a replenishing method - Google Patents
An oil-impregnated bearing capable of independently replenishing lubricating oil and a replenishing method Download PDFInfo
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- CN110410418B CN110410418B CN201910651264.6A CN201910651264A CN110410418B CN 110410418 B CN110410418 B CN 110410418B CN 201910651264 A CN201910651264 A CN 201910651264A CN 110410418 B CN110410418 B CN 110410418B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N1/00—Constructional modifications of parts of machines or apparatus for the purpose of lubrication
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- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
本发明公开了一种自主补充润滑油的含油轴承及补充方法，该含油轴承包括轴承，所述轴承的外壁上设有多个槽穴，所述槽穴内设有至少一个储油件，所述储油件在不同的时间释放出润滑油；所述槽穴向外的开口被轴承套完全的包裹。所述槽穴的槽深不大于轴承壁厚的2/3。所述储油件包括可降解的外膜，所述外膜内包裹有润滑油。所述外膜为工程塑料，不同位置储油件的外膜的降解性不同。外膜的降解时间不同，可以在不同的时间发生龟裂释放出储存的润滑油达到持续补油的目的，能够在轴承缺油的甚至缺油前进行补充，可以有效延长含油轴承的寿命。可有效延长轴承寿命至原来的2～4倍。
The invention discloses an oil-impregnated bearing capable of independently replenishing lubricating oil and a replenishing method. The oil-impregnated bearing comprises a bearing, an outer wall of the bearing is provided with a plurality of grooves, and at least one oil storage member is arranged in the grooves, so that the The oil storage member releases lubricating oil at different times; the outward opening of the groove is completely wrapped by the bearing sleeve. The groove depth of the groove is not greater than 2/3 of the bearing wall thickness. The oil storage member includes a degradable outer membrane, and the outer membrane is wrapped with lubricating oil. The outer membrane is an engineering plastic, and the degradability of the outer membrane of the oil storage member at different positions is different. The degradation time of the outer film is different, and cracks can occur at different times to release the stored lubricating oil to achieve the purpose of continuous oil replenishment. Can effectively extend the bearing life to 2 to 4 times the original.
Description
Technical Field
The invention relates to the technical field of bearings, in particular to an oil-retaining bearing capable of automatically supplementing lubricating oil and a supplementing method.
Background
The oil-impregnated bearing, i.e., the porous bearing, is a sintered body produced by a powder metallurgy method. The lubricating oil is contained in a plurality of pores distributed in the bearing, and in the using process, the shaft passing through the center of the bearing rubs against the bearing to generate heat so as to reduce the pores in the bearing, so that the lubricating oil stored in the pores is extruded out and the contact surface between the shaft and the bearing is lubricated. Thereby achieving the purpose of lubricating the bearing without adding lubricant in the using process.
Due to the porous characteristic of the oil-retaining bearing, the interior of the oil-retaining bearing is impregnated with lubricating oil with the volume ratio of about 10-40%. The bearing is used for a long time, and lubricating oil can be evaporated, thrown away and leaked. When the lubricating oil loss is used up, a lubricating oil film between the bearing and the shaft cannot be formed, direct friction is generated, noise is generated, and the service life of the bearing is influenced.
The conventional oil-retaining bearing needs external oil supplement when in oil shortage, needs to be disassembled or not to be disassembled for oil supplement, and equipment needs to be stopped to produce and supplement oil regularly, so that the normal work of the equipment is influenced, and the benefit of an enterprise is further influenced.
Disclosure of Invention
The invention aims to solve the problems and provides an oil-containing bearing capable of automatically supplementing lubricating oil and a supplementing method.
In order to achieve the purpose, the invention adopts the following technical scheme:
an oil-retaining bearing capable of automatically supplementing lubricating oil comprises a bearing, wherein a plurality of groove holes are formed in the outer wall of the bearing, at least one oil storage part is arranged in each groove hole, and the oil storage parts release the lubricating oil at different time;
the outward opening of the groove cavity is completely wrapped by the bearing sleeve.
The groove depth of the groove cavity is not greater than 2/3 of the wall thickness of the bearing. The lubricating oil can be stored more and supplied under the condition of not influencing the strength of the bearing.
The oil storage piece comprises a degradable outer film, and lubricating oil is wrapped in the outer film.
The outer membrane is made of engineering plastics, and the degradability of the outer membranes of the oil storage pieces at different positions is different. The outer film can crack at different time due to different degradability, so that the lubricating oil wrapped inside flows out to supply the lubricating oil for the bearing.
The outer membrane of the oil storage piece is in a ball shape or a capsule shape. Under limited conditions, the aim is to store as much of the lubricating oil as possible for replenishment.
The lubricating oil replenishing method for the oil-retaining bearing adopting the self-replenishing lubricating oil comprises the following steps: as the using time of the oil-retaining bearing increases, lubricating oil of the oil-retaining bearing is lost;
the oil storage parts with different degradability of the outer film can be aged, cracked and degraded at different time, and lubricating oil wrapped in the outer film can be released at different time to supplement lubricating oil for the bearing.
The invention has the beneficial effects that:
the degradation time of the outer film is different, the outer film can crack at different time to release the stored lubricating oil so as to achieve the purpose of continuously supplementing the oil, the lubricating oil can be supplemented before the oil is deficient of the bearing or even before the oil is deficient, and the service life of the oil-containing bearing can be effectively prolonged. According to the material proportion and the size of the appearance of the oil-retaining bearing, the service life of the bearing can be effectively prolonged to 2-4 times of the original service life.
The oil storage piece has a simple structure, does not have a complex mechanical structure, can realize the purpose of continuously supplementing oil by depending on different degradability of the outer membrane, and is easier for mass production.
The bearing placed in the oil storage part is protected by the bearing sleeve, and the bearing sleeve completely wraps the groove of the oil storage part, so that the mechanical clamping fault caused by the fact that substances after the outer membrane of the oil storage part is cracked and degraded enter the bearing hole is avoided.
Drawings
FIG. 1 is a schematic transverse cross-sectional view of the present invention;
FIG. 2 is a schematic longitudinal cross-section of the present invention;
FIG. 3 is a schematic view of the overall structure of the present invention;
fig. 4 is a schematic structural view of the oil storage member in this embodiment.
Wherein, 1, groove cave, 2, bearing, 3, bearing housing, 4, oil storage piece, 5, lubricating oil, 6, adventitia.
Detailed Description
The invention is further described with reference to the following figures and examples.
As shown in fig. 1-3, an oil-retaining bearing for automatically supplementing lubricating oil comprises a bearing 2, a plurality of groove cavities 1 are arranged on the outer wall of the bearing 2, oil storage members 4 are arranged in the groove cavities 1, and the oil storage members 4 release lubricating oil at different times;
the outward opening of the groove cavity is completely wrapped by the bearing sleeve 3. The number of the groove cavities 1 is not limited under the condition of not influencing the strength of the bearing. The groove depth of the groove cavity is not greater than 2/3 of the wall thickness of the bearing. The lubricating oil can be stored more and supplied under the condition of not influencing the strength of the bearing. The oil storage pieces with different quantities and different degradation times can be respectively put into the groove holes, so that the aim of continuously supplementing oil is fulfilled.
As shown in fig. 4, the oil reservoir comprises a degradable outer membrane 6, which outer membrane 6 encloses a lubricating oil 5. The outer membrane of the oil storage piece is in a ball shape or a capsule shape. Under limited conditions, the aim is to store as much of the lubricating oil as possible for replenishment. The shape of the oil storage part provided in the embodiment is a pill shape, which can be called as an oil pill, the outer membrane is made of engineering plastics, and the degradability of the outer membranes of the oil storage parts at different positions is different. The outer film can crack at different time due to different degradability, so that the lubricating oil wrapped inside flows out to supply the lubricating oil for the bearing.
The bearing placed in the oil storage part is protected by the bearing sleeve, and the bearing sleeve is used for completely wrapping the groove cavity of the oil storage part, so that the phenomenon that a wrapping substance matrix after the oil storage part is cracked and degraded enters the bearing hole to cause a mechanical locking fault is avoided.
The oil pill has various preparation processes, and can adopt a pill dropping process, and the pill dropping process is similar to the conventional pill dropping production process; liquid filling processes may also be employed. Regardless of the process method, the surface wrapping matrix of the oil pill is engineering plastic, and is added with the additive for promoting degradation or the antioxidant, according to the addition type or quantity of the additive for promoting degradation and the type and quantity of the antioxidant, the surface wrapping matrix of the oil pill is cracked after different time, so that the lubricating oil flows out, and the purpose of continuously supplementing the oil can be achieved.
The oil storage member provided by the embodiment is in the form of oil pellets, and the purpose of the application can be achieved by other oil storage members in the shapes of oil capsules, grease pellets, felt and the like as long as the outer part of the oil storage member is wrapped by degradable materials.
The lubricating oil replenishing method for the oil-retaining bearing adopting the self-replenishing lubricating oil comprises the following steps: as the using time of the oil-retaining bearing increases, lubricating oil of the oil-retaining bearing is lost;
the oil storage parts with different degradability of the outer film can be aged, cracked and degraded at different time, and lubricating oil wrapped in the outer film can be released at different time to supplement lubricating oil for the bearing.
The invention provides an oil-retaining bearing and an oil supplementing method which can automatically supplement lubricating oil in multiple stages in time on the basis of not reducing the mechanical performance of the existing oil-retaining bearing, after the oil-retaining bearing is used for a certain time, the lubricating oil of the oil-retaining bearing is lost, the oil storage part wrapped with the lubricating oil reaches the aging, cracking and degrading time limit, a surface wrapping object cracks, and the lubricating oil flows out for supplementing; after a period of time, the supplemented lubricating oil is lost again, the other oil pill(s) wrapped by the lubricating oil reaches the aging cracking degradation time limit, and the surface cracking lubricating oil flows out and is supplemented again. The lubrication of the bearing is always kept in a good state, and the process is repeated.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910651264.6A CN110410418B (en) | 2019-07-18 | 2019-07-18 | An oil-impregnated bearing capable of independently replenishing lubricating oil and a replenishing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910651264.6A CN110410418B (en) | 2019-07-18 | 2019-07-18 | An oil-impregnated bearing capable of independently replenishing lubricating oil and a replenishing method |
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| Publication Number | Publication Date |
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| CN110410418A CN110410418A (en) | 2019-11-05 |
| CN110410418B true CN110410418B (en) | 2021-07-13 |
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| CN201910651264.6A Active CN110410418B (en) | 2019-07-18 | 2019-07-18 | An oil-impregnated bearing capable of independently replenishing lubricating oil and a replenishing method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070036476A1 (en) * | 2005-08-12 | 2007-02-15 | John Lane | Bearing with lubricant reservoir |
| US20120170883A1 (en) * | 2009-09-14 | 2012-07-05 | The Timken Company | Apparatus and Method for Controlled Release of Lubricant Additives in Bearing and Gear Assemblies |
| CN103573685A (en) * | 2012-07-23 | 2014-02-12 | 上海彩风电子有限公司 | Fan provided with oil bearing |
| CN104204648A (en) * | 2012-01-02 | 2014-12-10 | Skf公司 | Lubrication capsule and a method for lubricating a machine element using such a capsule |
| CN208778507U (en) * | 2018-08-20 | 2019-04-23 | 常州市知宇粉末冶金有限公司 | Gap lubricating type oiliness bearing |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1108210A (en) * | 1978-02-03 | 1981-09-01 | Torrington Company (The) | Bearing seal with microencapsulated lubricants |
| US20070049505A1 (en) * | 2005-08-24 | 2007-03-01 | Baker Mark R | Controlled release of additive gel(s) for functional fluids |
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2019
- 2019-07-18 CN CN201910651264.6A patent/CN110410418B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070036476A1 (en) * | 2005-08-12 | 2007-02-15 | John Lane | Bearing with lubricant reservoir |
| US20120170883A1 (en) * | 2009-09-14 | 2012-07-05 | The Timken Company | Apparatus and Method for Controlled Release of Lubricant Additives in Bearing and Gear Assemblies |
| CN104204648A (en) * | 2012-01-02 | 2014-12-10 | Skf公司 | Lubrication capsule and a method for lubricating a machine element using such a capsule |
| CN103573685A (en) * | 2012-07-23 | 2014-02-12 | 上海彩风电子有限公司 | Fan provided with oil bearing |
| CN208778507U (en) * | 2018-08-20 | 2019-04-23 | 常州市知宇粉末冶金有限公司 | Gap lubricating type oiliness bearing |
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| CN110410418A (en) | 2019-11-05 |
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Effective date of registration: 20241115 Address after: Room 626, Land Innovation Center Office, No. 2809 Innovation Avenue, High tech Zone, Hefei City, Anhui Province, 230000 Patentee after: Anhui Wanqi Tiancheng Technology Co.,Ltd. Country or region after: China Address before: 277500 Shandong Zaozhuang Tengzhou Jinghe Street Luban Avenue xihonghe Avenue North Lunan intelligent manufacturing town Patentee before: Wind turbine (Shandong) Co.,Ltd. Country or region before: China |